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Electronic Theatre Controls Inc

I3M I5M outputs flickering

Symptoms/Issue

The output on one or more of the phases are flickering.

Description/Explanation of Issue

The smoothing capacitor(s) on the voltage rail are not functioning properly causing the 5v rail to flucuate. This causes the output to "flicker".

Fix/Solution

Replace C1, C3, C5, C7 with 1000uf 25v capacitors. ETC part number: C383.

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